/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

var List = require("../../data/List");

var Graph = require("../../data/Graph");

var linkList = require("../../data/helper/linkList");

var createDimensions = require("../../data/helper/createDimensions");

var CoordinateSystem = require("../../CoordinateSystem");

var createListFromArray = require("./createListFromArray");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * 从邻接矩阵生成
 * ```
 *        TARGET
 *    -1--2--3--4--5-
 *  1| x  x  x  x  x
 *  2| x  x  x  x  x
 *  3| x  x  x  x  x  SOURCE
 *  4| x  x  x  x  x
 *  5| x  x  x  x  x
 * ```
 *
 * @param {Array.<Object>} nodes 节点信息
 * @param {Array} matrix 邻接矩阵
 * @param {module:echarts/model/Series}
 * @param {boolean} directed 是否是有向图
 * @return {module:echarts/data/Graph}
 */
function _default(nodes, matrix, hostModel, directed) {
    var graph = new Graph(directed);

    for (var i = 0; i < nodes.length; i++) {
        graph.addNode(
            zrUtil.retrieve(
                // Id, name, dataIndex
                nodes[i].id,
                nodes[i].name,
                i
            ),
            i
        );
    }

    var size = matrix.length;
    var links = [];
    var linkCount = 0;

    for (var i = 0; i < size; i++) {
        for (var j = 0; j < size; j++) {
            var val = matrix[i][j];

            if (val === 0) {
                continue;
            }

            var n1 = graph.nodes[i];
            var n2 = graph.nodes[j];
            var edge = graph.addEdge(n1, n2, linkCount);

            if (edge) {
                linkCount++;
                links.push({
                    value: val,
                });
            }
        }
    }

    var coordSys = hostModel.get("coordinateSystem");
    var nodeData;

    if (coordSys === "cartesian2d" || coordSys === "polar") {
        nodeData = createListFromArray(
            {
                data: nodes,
            },
            hostModel
        );
    } else {
        // FIXME
        var coordSysCtor = CoordinateSystem.get(coordSys); // FIXME

        var dimensionNames = createDimensions(nodes, {
            coordDimensions: (coordSysCtor && coordSysCtor.type !== "view"
                ? coordSysCtor.dimensions || []
                : []
            ).concat(["value"]),
        });
        nodeData = new List(dimensionNames, hostModel);
        nodeData.initData(nodes);
    }

    var edgeData = new List(["value"], hostModel);
    edgeData.initData(links);
    linkList({
        mainData: nodeData,
        struct: graph,
        structAttr: "graph",
        datas: {
            node: nodeData,
            edge: edgeData,
        },
        datasAttr: {
            node: "data",
            edge: "edgeData",
        },
    }); // Update dataIndex of nodes and edges because invalid edge may be removed

    graph.update();
    return graph;
}

module.exports = _default;
